【Protection & Detachable】This sun hat combined with wide brim, face & neck flap (flap are removable) Which can keep the sun off your head, face and neck. adjustable chin strap to ensure that the hat can maintain comfortable conditions even in strong winds. 【Breathable&Adjustable】Wide 360° mesh vent allows great air in and keeps your head cool and comfortable all the time.The adjustable drawstring ensures hat stay well on your head without worry even in windy or rainy days. 【One Size Fits Most】Our stylish sun hats fit for Men and Women, fits 22"-24"（56cm-61cm） head girth. 【Fabric】 Made of waterproof nylon fabric and polyester net mesh, easy to clean, breathable, quick-drying, wear-resistant, lightweight and comfortable wear. 【Widely used】Widely used for various outdoor activities like gardening,fishing, kayaking,hiking,cycling,camping,etc.